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Look Up in Dictionary Requires Restart

Looks up a selected word in OS X's Dictionary.app

Rated 5 out of 5 stars (44)
1,218 users
Updated Sept. 27, 2011

Free/Busy Requires Restart

Publish free/busy calendar file (*.ifb) via ftp or to a file. View other people's free/busy info in meeting organizer window. Integrate Thunderbird and Outlook calendars without Exchange server.

Rated 3 out of 5 stars (13)
1,116 users
Updated Sept. 27, 2011

Is It Compatible? Requires Restart

**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**

Rated 4 out of 5 stars (37)
769 users
Updated Sept. 25, 2011

Highlighter Requires Restart

Quickly highlight some text in Thunderbird message composing windows.

Rated 4 out of 5 stars (49)
10,502 users
Updated Sept. 23, 2011

dwEasySubject Requires Restart

When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.

Rated 4 out of 5 stars (4)
182 users
Updated Sept. 23, 2011

Hide Menubar Requires Restart

Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.

Rated 4 out of 5 stars (330)
3,557 users
Updated Sept. 23, 2011

SearchWith Requires Restart

Search selected text with various search services...

Rated 4 out of 5 stars (77)
973 users
Updated Sept. 21, 2011

Eortologio - Greek Namedays Calendar (Thunderbird) Requires Restart

This extension consists of a Greek Orthodox Namedays reminder. It displays in Thunderbird status bar current day's celebrated names.

Rated 5 out of 5 stars (2)
0 users
Updated Sept. 15, 2011

eCleaner Requires Restart

Clears preferences left by extensions after uninstallation

Rated 4 out of 5 stars (68)
6,227 users
Updated Sept. 15, 2011

New Mail Attention Requires Restart

This addon calls attention to main window on new message arrival.

Rated 4 out of 5 stars (44)
4,944 users
Updated Sept. 15, 2011

Moji Requires Restart

An integrated sidebar-dictionary for Japanese and Chinese including kanji dictionary.

Rated 4 out of 5 stars (9)
310 users
Updated Sept. 1, 2011

Repeat Borders Requires Restart

Adds darker borders to repeat events to distinguish them from single events.

Rated 4 out of 5 stars (1)
399 users
Updated Aug. 31, 2011

ResetRec Requires Restart

ResetRec allows you to reset the recipient list.

Rated 5 out of 5 stars (4)
682 users
Updated Aug. 30, 2011

Shift Box Requires Restart

Replay your INBOX!

Not yet rated
24 users
Updated Aug. 29, 2011

Fingerfox (SE) Requires Restart

Use MS Fingerprint Reader with Firefox and Thunderbird...

Rated 4 out of 5 stars (12)
345 users
Updated Aug. 29, 2011

zFiler mail Requires Restart

Automatic conversion from 'plain' attachments to zFiler links, when message is being sent.

Not yet rated
39 users
Updated Aug. 25, 2011

Birthday Reminder Requires Restart

Birthday Reminder reminds of upcoming birthdays for all contacts in Thunderbird's address book. Supports Lightning, reminders and even Google Calendar :-)

Rated 4 out of 5 stars (18)
2,418 users
Updated Aug. 25, 2011

Track your shipment Requires Restart

Link to tracking sites. (mainly Japanese companies)

Rated 4 out of 5 stars (4)
1,246 users
Updated Aug. 23, 2011

.vcs Support Requires Restart

Import and export calendar files in vCalendar (.vcs) format

Rated 3 out of 5 stars (18)
7,186 users
Updated Aug. 19, 2011

Extension List Dumper Requires Restart

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (123)
1,773 users
Updated Aug. 17, 2011